from tkinter import *  
  
root = Tk()  
  
def hello():  
    print ("hello!" )
  
menubar = Menu(root)  
  
# create a pulldown menu, and add it to the menu bar  
filemenu = Menu(menubar, tearoff=0)  
filemenu.add_command(label="Open", command=hello)  
filemenu.add_command(label="Save", command=hello)  
filemenu.add_separator()  
filemenu.add_command(label="Exit", command=root.quit)  
menubar.add_cascade(label="File", menu=filemenu)  
  
# create more pulldown menus  
editmenu = Menu(menubar, tearoff=0)  
editmenu.add_command(label="Cut", command=hello)  
editmenu.add_command(label="Copy", command=hello)  
editmenu.add_command(label="Paste", command=hello)  
menubar.add_cascade(label="Edit", menu=editmenu)  
  
helpmenu = Menu(menubar, tearoff=0)  
helpmenu.add_command(label="About", command=hello)  
menubar.add_cascade(label="Help", menu=helpmenu)  
  
# display the menu  
root.config(menu=menubar)
root.mainloop()
